﻿// -[USACO 2007 Nov G]Sunscreen.cpp : 此文件包含 "main" 函数。程序执行将在此处开始并结束。
//
/*
链接：https://ac.nowcoder.com/acm/contest/20960/1065
来源：牛客网

To avoid unsightly burns while tanning, each of the C (1 ≤ C ≤ 2500) cows must cover her hide with sunscreen when they're at the beach. 
Cow i has a minimum and maximum SPF rating (1 ≤ minSPFi ≤ 1,000; minSPFi ≤ maxSPFi ≤ 1,000) that will work. 
If the SPF rating is too low, the cow suffers sunburn; if the SPF rating is too high, the cow doesn't tan at all........
The cows have a picnic basket with L (1 ≤ L ≤ 2500) bottles of sunscreen lotion, each bottle i with an SPF rating SPFi (1 ≤ SPFi ≤ 1,000). 
Lotion bottle i can cover coveri cows with lotion. A cow may lotion from only one bottle.
What is the maximum number of cows that can protect themselves while tanning given the available lotions?
输入描述:
* Line 1: Two space-separated integers: C and L
* Lines 2..C+1: Line i describes cow i's lotion requires with two integers: minSPFi and maxSPFi
* Lines C+2..C+L+1: Line i+C+1 describes a sunscreen lotion bottle i with space-separated integers: SPFi and coveri
输出描述:
A single line with an integer that is the maximum number of cows that can be protected while tanning
示例1
输入
复制
3 2
3 10
2 5
1 5
6 2
4 1
输出
复制
2
*/
#include <iostream>

int main()
{
    std::cout << "Hello World!\n";
}

 